🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 10.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,219,221 km

• M1: 126,859 km (0.095 R)
• M2: 510,727 km (0.089 R)
• M3: 977,024 km (0.088 R)
• M4: 1,422,377 km (0.032 R)
• M5: 2,710,414 km (0.072 R)
• M6: 3,408,587 km (0.073 R)
• M7: 4,017,750 km (0.03 R)
• M8: 4,405,657 km (0.085 R)
• M9: 5,722,119 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.3

Radius: 10.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.24 AU - 1.7 AU

Year: 1230 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,219,221 km

• M1: 126,410 km (0.057 R)
• M2: 464,801 km (0.108 R)
• M3: 891,753 km (0.097 R)
• M4: 1,547,291 km (0.096 R)
• M5: 2,043,208 km (0.111 R)
• M6: 2,402,542 km (0.1 R)
• M7: 2,827,699 km (0.105 R)
• M8: 4,099,879 km (0.112 R)
• M9: 4,429,892 km (0.063 R)
• M10: 4,794,911 km (0.097 R)
• M11: 5,126,270 km (0.104 R)
• M12: 6,800,869 km (0.1 R)
• M13: 7,774,751 km (0.038 R)
• M14: 8,208,884 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 11.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.18 AU - 3.1 AU

Year: 2961 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,219,221 km

• M1: 144,362 km (0.059 R)
• M2: 662,419 km (0.112 R)
• M3: 1,243,458 km (0.105 R)
• M4: 2,573,383 km (0.073 R)
• M5: 4,234,817 km (0.082 R)
• M6: 5,630,864 km (0.069 R)
• M7: 9,818,557 km (0.05 R)
• M8: 13,162,817 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 11.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.03 AU - 4.35 AU

Year: 5920 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,219,221 km

• M1: 147,952 km (0.114 R)
• M2: 1,223,411 km (0.099 R)
• M3: 2,007,155 km (0.084 R)
• M4: 2,645,339 km (0.087 R)
• M5: 3,530,510 km (0.066 R)
• M6: 4,085,518 km (0.068 R)
• M7: 7,160,203 km (0.105 R)
• M8: 10,380,746 km (0.079 R)
• M9: 12,560,836 km (0.115 R)
• M10: 14,258,173 km (0.088 R)
• M11: 16,213,567 km (0.098 R)
• M12: 16,602,671 km (0.075 R)
• M13: 17,284,239 km (0.115 R)
• M14: 21,173,335 km (0.11 R)
• M15: 21,840,092 km (0.066 R)
• M16: 22,452,097 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 13.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.13 AU - 5.31 AU

Year: 8232 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,219,221 km

• M1: 164,707 km (0.11 R)
• M2: 717,920 km (0.102 R)
• M3: 1,155,644 km (0.104 R)
• M4: 2,211,954 km (0.119 R)
• M5: 3,006,468 km (0.118 R)
• M6: 3,793,353 km (0.099 R)
• M7: 4,909,653 km (0.114 R)
• M8: 8,853,202 km (0.081 R)
• M9: 9,776,670 km (0.114 R)
• M10: 11,324,708 km (0.102 R)
• M11: 12,412,883 km (0.11 R)
• M12: 13,619,091 km (0.067 R)
• M13: 15,221,733 km (0.079 R)
• M14: 15,874,877 km (0.096 R)
• M15: 17,826,980 km (0.113 R)
• M16: 21,927,757 km (0.088 R)
• M17: 22,550,832 km (0.084 R)
• M18: 23,687,776 km (0.077 R)
• M19: 24,713,568 km (0.111 R)
• M20: 25,162,212 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.3

Radius: 6.5

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.66 AU - 7.1 AU

Year: 11124 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,219,221 km

• M1: 81,830 km (0.063 R)
• M2: 356,342 km (0.107 R)
• M3: 1,500,766 km (0.091 R)
• M4: 1,950,158 km (0.061 R)
• M5: 2,320,861 km (0.1 R)
• M6: 3,158,460 km (0.071 R)
• M7: 3,719,452 km (0.118 R)
• M8: 5,443,567 km (0.114 R)
• M9: 6,716,047 km (0.071 R)
• M10: 8,735,169 km (0.118 R)
• M11: 9,366,023 km (0.061 R)
• M12: 13,743,856 km (0.115 R)
• M13: 14,534,331 km (0.029 R)
• M14: 16,608,505 km (0.099 R)
• M15: 19,847,897 km (0.089 R)
• M16: 22,226,952 km (0.069 R)
• M17: 24,967,286 km (0.074 R)
• M18: 25,686,104 km (0.07 R)
• M19: 27,258,976 km (0.1 R)
• M20: 29,987,791 km (0.064 R)
• M21: 34,084,528 km (0.109 R)
• M22: 36,095,273 km (0.047 R)
• M23: 36,323,410 km (0.108 R)
• M24: 37,947,744 km (0.103 R)
• M25: 39,257,473 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 10,747 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit